Esempio n. 1
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	int i, j, m, n;
	double s1=0.0, s2=0.0;
	double *dat;
	MAPTYPE *map, *get_maps();
	static double M[] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};

	if (nrhs != 1 || nlhs > 1)
	{
		mexErrMsgTxt("Incorrect usage.");
	}

	map = get_maps(prhs[0], &j);

	if (j != 1)
	{
		free_maps(map, j);
		mexErrMsgTxt("Incorrect usage.");
	}
	n = (map->dim[0])*(map->dim[1]);
	dat = (double *)mxCalloc(n, sizeof(double));

	s1 = 0.0;
	m = 0;
	for (i=0; i<map->dim[2]; i++)
	{
		M[14] = i+1;
		slice(M, dat, map->dim[0],map->dim[1], map, 0,0);
		for(j=0;j<n; j++)
			if (mxIsFinite(dat[j]))
			{
				s1 += dat[j];
				m ++;
			}
	}
	s1/=(8.0*m);

	s2=0.0;
	m =0;
	for (i=0; i<map->dim[2]; i++)
	{
		M[14] = i+1;
		slice(M, dat, map->dim[0],map->dim[1], map, 0,0);
		for(j=0;j<n; j++)
			if (mxIsFinite(dat[j]) && dat[j]>s1)
			{
				m++;
				s2+=dat[j];
			}
	}
	s2/=m;

	plhs[0] = mxCreateDoubleMatrix(1,1,mxREAL);
	mxGetPr(plhs[0])[0]=s2;
	free_maps(map, 1);
}
Esempio n. 2
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	int k, d[3], sts;
	MAPTYPE *vol, *get_maps();
	double *c;
	void (*splinc[3])();

	if (nrhs < 2 || nlhs > 1)
		mexErrMsgTxt("Incorrect usage.");
	if (mxIsComplex(prhs[1]) || mxIsSparse(prhs[1]) ||
		(mxGetM(prhs[1])*mxGetN(prhs[1]) != 3 && mxGetM(prhs[1])*mxGetN(prhs[1]) != 6))
		mexErrMsgTxt("Incorrect usage.");

	for(k=0; k<3; k++)
	{
		d[k] = floor(mxGetPr(prhs[1])[k]+0.5);
		if (d[k]<0 || d[k]>7)
			mexErrMsgTxt("Bad spline degree.");
	}

	/* for(k=0; k<3; k++) splinc[k] = splinc_mirror; */
    for(k=0; k<3; k++) splinc[k] = splinc_neumann;
    
	if (mxGetM(prhs[1])*mxGetN(prhs[1]) == 6)
	{
		for(k=0; k<3; k++)
			if (mxGetPr(prhs[1])[k+3])
				splinc[k] = splinc_wrap;
	}

	vol=get_maps(prhs[0], &k);
	if (k!=1)
	{
		free_maps(vol, k);
		mexErrMsgTxt("Too many images.");
	}

	plhs[0] = mxCreateNumericArray(3,vol->dim, mxDOUBLE_CLASS, mxREAL);
	c = mxGetPr(plhs[0]);

	sts = vol_coeffs(vol, c, d, splinc);

	if (sts)
	{
		free_maps(vol, k);
		mexErrMsgTxt("Problem with deconvolution.");
	}
	free_maps(vol, k);
}
Esempio n. 3
0
void mexFunction1(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	MAPTYPE *vol, *get_maps();
	int m0,m1,m2, n0,n1,n2;
	double *B0, *B1, *B2;
	for(n0=1; n0<nrhs; n0++)
	{
		if (!mxIsNumeric(prhs[n0]) || mxIsComplex(prhs[n0]) ||
			mxIsSparse(prhs[n0]) || !mxIsDouble(prhs[n0]))
		{
			mexErrMsgTxt("Arguments must be numeric, real, full and double.");
		}
	}

	vol = get_maps(prhs[0], &n0);
	if (n0!=1)
	{
		free_maps(vol, n0);
		mexErrMsgTxt("Incorrect usage.");
	}
	n0 = vol->dim[0];
	n1 = vol->dim[1];
	n2 = vol->dim[2];

	m0 = mxGetN(prhs[1]);
	m1 = mxGetN(prhs[2]);
	m2 = mxGetN(prhs[3]);

	if (m0>MAXB || m1>MAXB || m2>MAXB)
	{
		free_maps(vol, 1);
		mexErrMsgTxt("Too many basis functions.");
	}

	B0 = mxGetPr(prhs[1]);
	B1 = mxGetPr(prhs[2]);
	B2 = mxGetPr(prhs[3]);

	if (mxGetM(prhs[1])!=n0 || mxGetM(prhs[2])!=n1 || mxGetM(prhs[3])!=n2)
	{
		free_maps(vol, 1);
		mexErrMsgTxt("Inappropriate matrix dimensions.");
	}
	plhs[0] = mxCreateDoubleMatrix(m0*m1*m2,1, mxREAL);
	plhs[1] = mxCreateDoubleMatrix(1,1, mxREAL);
	mxGetPr(plhs[1])[0] = constr(m0,m1,m2,n0,n1,n2,mxGetPr(plhs[0]),vol,B0,B1,B2);
	free_maps(vol, 1);
}
static void test_read_maps(void)
{
	FILE *fp = fopen("maps.txt", "r");
	struct proc_map *result = read_maps(fp, "libc-2.11.1.so");
	fclose(fp);
	assert(result != NULL);

        assert(0 == result->base);
        assert(0x00b16000 == result->lo);
        assert(0x00c69000 == result->hi);

	struct proc_map *next = result->next;
	assert(next != NULL);
        assert(0x00153000 == next->base);
        assert(0x00c69000 == next->lo);
        assert(0x00c6a000 == next->hi);

	next = next->next;
	assert(next != NULL);
        assert(0x00153000 == next->base);
        assert(0x00c6a000 == next->lo);
        assert(0x00c6c000 == next->hi);

	next = next->next;
	assert(next != NULL);
        assert(0x00155000 == next->base);
        assert(0x00c6c000 == next->lo);
        assert(0x00c6d000 == next->hi);

	unsigned int fake = 0x00b16000 + 0x000f7e30;
	unsigned int realaddr = get_real_address(result, fake);
	assert(realaddr == 0x000f7e30);

	free_maps(result);
}
Esempio n. 5
0
void default_unicode_map(smb_ucs2_t **pp_cp_to_ucs2, uint16 **pp_ucs2_to_cp)
{
  int i;

  free_maps(pp_cp_to_ucs2, pp_ucs2_to_cp);

  if ((*pp_ucs2_to_cp = (uint16 *)malloc(2*65536)) == NULL) {
    DEBUG(0,("default_unicode_map: malloc fail for ucs2_to_cp size %u.\n", 2*65536));
    abort();
  }

  *pp_cp_to_ucs2 = *pp_ucs2_to_cp; /* Default map is an identity. */
  for (i = 0; i < 65536; i++)
    (*pp_cp_to_ucs2)[i] = i;
}
Esempio n. 6
0
static void get_map_dat(int i, const mxArray *ptr, MAPTYPE *maps)
{
    mxArray *tmp;
    double *pr;
    int num_dims, j, t, dtype = 0;
    const mwSize *dims;
    unsigned char *dptr;

    tmp=mxGetField(ptr,i,"dat");
    if (tmp == (mxArray *)0)
    {
        free_maps(maps,i);
        mexErrMsgTxt("Cant find dat.");
    }
    if      (mxIsDouble(tmp)) dtype = SPM_DOUBLE;
    else if (mxIsSingle(tmp)) dtype = SPM_FLOAT;
    else if (mxIsInt32 (tmp)) dtype = SPM_SIGNED_INT;
    else if (mxIsUint32(tmp)) dtype = SPM_UNSIGNED_INT;
    else if (mxIsInt16 (tmp)) dtype = SPM_SIGNED_SHORT;
    else if (mxIsUint16(tmp)) dtype = SPM_UNSIGNED_SHORT;
    else if (mxIsInt8  (tmp)) dtype = SPM_SIGNED_CHAR;
    else if (mxIsUint8 (tmp)) dtype = SPM_UNSIGNED_CHAR;
    else
    {
        free_maps(maps,i);
        mexErrMsgTxt("Unknown volume datatype.");
    }
    dptr  = (unsigned char *)mxGetPr(tmp);

    num_dims = mxGetNumberOfDimensions(tmp);
    if (num_dims > 3)
    {
        free_maps(maps,i);
        mexErrMsgTxt("Too many dimensions.");
    }
    dims     = mxGetDimensions(tmp);
    for(j=0; j<num_dims; j++)
        maps[i].dim[j]=dims[j];
    for(j=num_dims; j<3; j++)
        maps[i].dim[j]=1;
    tmp=mxGetField(ptr,i,"dim");
    if (tmp != (mxArray *)0)
    {
        if (mxGetM(tmp)*mxGetN(tmp) != 3)
        {
            free_maps(maps,i);
            mexErrMsgTxt("Wrong sized dim.");
        }
        pr = mxGetPr(tmp);
        if (maps[i].dim[0] != (mwSize)fabs(pr[0]) ||
            maps[i].dim[1] != (mwSize)fabs(pr[1]) ||
            maps[i].dim[2] != (mwSize)fabs(pr[2]))
        {
            free_maps(maps,i);
            mexErrMsgTxt("Incompatible volume dimensions in dim.");
        }
    }
    tmp=mxGetField(ptr,i,"dt");
    if (tmp != (mxArray *)0)
    {
        if (mxGetM(tmp)*mxGetN(tmp) != 1 && mxGetM(tmp)*mxGetN(tmp) != 2)
        {
            free_maps(maps,i);
            mexErrMsgTxt("Wrong sized dt.");
        }
        pr = mxGetPr(tmp);
        if (dtype != (int)fabs(pr[0]))
        {
            free_maps(maps,i);
            mexErrMsgTxt("Incompatible datatype in dt.");
        }
    }

    maps[i].addr      = 0;
    maps[i].len       = 0;
    maps[i].dtype  = dtype;
    maps[i].data   = (void  **)mxCalloc(maps[i].dim[2],sizeof(void *));
    maps[i].scale  = (double *)mxCalloc(maps[i].dim[2],sizeof(double));
    maps[i].offset = (double *)mxCalloc(maps[i].dim[2],sizeof(double));

    t   = maps[i].dim[0]*maps[i].dim[1]*get_datasize(maps[i].dtype)/8;
    tmp = mxGetField(ptr,i,"pinfo");
    if (tmp != (mxArray *)0)
    {
        if ((mxGetM(tmp) != 2 && mxGetM(tmp) != 3) || (mxGetN(tmp) != 1 && mxGetN(tmp) != maps[i].dim[2]))
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("Wrong sized pinfo.");
        }
        if (mxGetM(tmp) == 3 && mxGetPr(tmp)[2] != 0)
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("pinfo(3) must equal 0 to read dat field.");
        }
        pr = mxGetPr(tmp);
        if (mxGetN(tmp) == 1)
            for(j=0; j<maps[i].dim[2]; j++)
            {
                maps[i].scale[j]  = pr[0];
                maps[i].offset[j] = pr[1];
                maps[i].data[j]   = &(dptr[j*t]);
            }
        else
            for(j=0; j<maps[i].dim[2]; j++)
            {
                maps[i].scale[j]  = pr[0+j*2];
                maps[i].offset[j] = pr[1+j*2];
                maps[i].data[j]   = &(dptr[j*t]);
            }
    }
    else
        for(j=0; j<maps[i].dim[2]; j++)
        {
            maps[i].scale[j]  = 1.0;
            maps[i].offset[j] = 0.0;
            maps[i].data[j]   = &(dptr[j*t]);
        }
    tmp=mxGetField(ptr,i,"mat");
    if (tmp != (mxArray *)0)
    {
        if (mxGetM(tmp) != 4 || mxGetN(tmp) != 4)
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("Wrong sized mat.");
        }
        pr = mxGetPr(tmp);
        for(j=0; j<16; j++)
            maps[i].mat[j] = pr[j];
    }
    else
    {
        for(j=0; j<16; j++)
            maps[i].mat[j] = 0.0;
        for(j=0; j<4; j++)
            maps[i].mat[j + j*4] = 1.0;
    }
}
Esempio n. 7
0
static void get_map_file(int i, const mxArray *ptr, MAPTYPE *maps)
{
    int j;
    mxArray *tmp;
    double *pr;
    mwSize dsize = 0;
    mwSize off;
#ifdef SPM_BIGENDIAN
    int be = 1;
#else
    int be = 0;
#endif

    tmp=mxGetField(ptr,i,"dim");
    if (tmp == (mxArray *)0)
    {
        free_maps(maps,i);
        mexErrMsgTxt("Cant find dim.");
    }
    if (mxGetM(tmp)*mxGetN(tmp) != 3)
    {
        free_maps(maps,i);
        mexErrMsgTxt("Wrong sized dim.");
    }
    pr = mxGetPr(tmp);
    maps[i].dim[0] = (int)fabs(pr[0]);
    maps[i].dim[1] = (int)fabs(pr[1]);
    maps[i].dim[2] = (int)fabs(pr[2]);
    maps[i].dtype  = (int)fabs(pr[3]);
    maps[i].data   = (void  **)mxCalloc(maps[i].dim[2],sizeof(void *));
    maps[i].scale  = (double *)mxCalloc(maps[i].dim[2],sizeof(double));
    maps[i].offset = (double *)mxCalloc(maps[i].dim[2],sizeof(double));

    tmp=mxGetField(ptr,i,"dt");
    if (tmp == (mxArray *)0)
    {
        free_maps(maps,i+1);
        mexErrMsgTxt("Cant find dt.");
    }
    if (mxGetM(tmp)*mxGetN(tmp) != 2)
    {
        free_maps(maps,i+1);
        mexErrMsgTxt("Wrong sized dt.");
    }
    pr = mxGetPr(tmp);
    if ((int)(pr[1])==be)
    {
        if      (pr[0]==    2) {maps[i].dtype = SPM_UNSIGNED_CHAR;  dsize =  8;}
        else if (pr[0]==  256) {maps[i].dtype = SPM_SIGNED_CHAR;    dsize =  8;}
        else if (pr[0]==    4) {maps[i].dtype = SPM_SIGNED_SHORT;   dsize = 16;}
        else if (pr[0]==  512) {maps[i].dtype = SPM_UNSIGNED_SHORT; dsize = 16;}
        else if (pr[0]==    8) {maps[i].dtype = SPM_SIGNED_INT;     dsize = 32;}
        else if (pr[0]==  768) {maps[i].dtype = SPM_UNSIGNED_INT;   dsize = 32;}
        else if (pr[0]==   16) {maps[i].dtype = SPM_FLOAT;          dsize = 32;}
        else if (pr[0]==   64) {maps[i].dtype = SPM_DOUBLE;         dsize = 64;}
        else {free_maps(maps,i+1);mexErrMsgTxt("Unknown datatype.");}
    }
    else
    {
        if      (pr[0]==    2) {maps[i].dtype = SPM_UNSIGNED_CHAR;    dsize =  8;}
        else if (pr[0]==  256) {maps[i].dtype = SPM_SIGNED_CHAR;      dsize =  8;}
        else if (pr[0]==    4) {maps[i].dtype = SPM_SIGNED_SHORT_S;   dsize = 16;}
        else if (pr[0]==  512) {maps[i].dtype = SPM_UNSIGNED_SHORT_S; dsize = 16;}
        else if (pr[0]==    8) {maps[i].dtype = SPM_SIGNED_INT_S;     dsize = 32;}
        else if (pr[0]==  768) {maps[i].dtype = SPM_UNSIGNED_INT_S;   dsize = 32;}
        else if (pr[0]==   16) {maps[i].dtype = SPM_FLOAT_S;          dsize = 32;}
        else if (pr[0]==   64) {maps[i].dtype = SPM_DOUBLE_S;         dsize = 64;}
        else {free_maps(maps,i+1);mexErrMsgTxt("Unknown datatype.");}
    }

    tmp=mxGetField(ptr,i,"fname");
    if (tmp == (mxArray *)0)
    {
        free_maps(maps,i+1);
        mexErrMsgTxt("Cant find fname.");
    }
    if (mxIsChar(tmp))
    {
#ifdef SPM_WIN32
        HANDLE hFile, hMapping;
#endif
        char *buf = NULL;
        int fd;
        struct stat stbuf;
        if ((buf = mxArrayToString(tmp)) == NULL)
        {
            mxFree(buf);
            free_maps(maps,i+1);
            mexErrMsgTxt("Cant get filename.");
        }
        if ((fd = open(buf, O_RDONLY)) == -1)
        {
            mxFree(buf);
            free_maps(maps,i+1);
            mexErrMsgTxt("Cant open image file.");
        }
        if (fstat(fd, &stbuf) == -1)
        {
            (void)close(fd);
            mxFree(buf);
            free_maps(maps,i+1);
            mexErrMsgTxt("Cant get file size.");
        }
        maps[i].len = stbuf.st_size;
#ifdef SPM_WIN32
        (void)close(fd);

        /* maps[i].addr = map_file(buf, (caddr_t)0, maps[i].len,
         *  PROT_READ, MAP_SHARED, (off_t)0); */

        /* http://msdn.microsoft.com/library/default.asp?
               url=/library/en-us/fileio/base/createfile.asp */
        hFile = CreateFile(buf, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
        mxFree(buf);
        if (hFile == NULL)
            mexErrMsgTxt("Cant open file.  It may be locked by another program.");

        /* http://msdn.microsoft.com/library/default.asp?
               url=/library/en-us/fileio/base/createfilemapping.asp */
        hMapping = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
        (void)CloseHandle(hFile);
        if (hMapping == NULL)
            mexErrMsgTxt("Cant create file mapping.  It may be locked by another program.");

        /* http://msdn.microsoft.com/library/default.asp?
               url=/library/en-us/fileio/base/mapviewoffile.asp */
        maps[i].addr    = (caddr_t)MapViewOfFileEx(hMapping, FILE_MAP_READ, 0, 0, maps[i].len, 0);
        (void)CloseHandle(hMapping);
        if (maps[i].addr == NULL)
            mexErrMsgTxt("Cant map view of file.  It may be locked by another program.");

#else
        maps[i].addr = mmap((caddr_t)0, maps[i].len,
            PROT_READ, MAP_SHARED, fd, (off_t)0);
        (void)close(fd);
        if (maps[i].addr == (void *)-1)
        {
            (void)perror("Memory Map");
            mxFree(buf);
            free_maps(maps,i+1);
            mexErrMsgTxt("Cant map image file.");
        }
        mxFree(buf);
#endif
    }


    tmp=mxGetField(ptr,i,"pinfo");
    if (tmp != (mxArray *)0)
    {
        if (mxGetM(tmp) != 3 || (mxGetN(tmp) != 1 && mxGetN(tmp) != maps[i].dim[2]))
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("Wrong sized pinfo.");
        }
        pr = mxGetPr(tmp);
        if (mxGetN(tmp) == 1)
        {
            off = (mwSize)fabs(pr[2]);
            if (off+maps[i].dim[0]*maps[i].dim[1]*maps[i].dim[2]*(dsize/8) > maps[i].len)
            {
                free_maps(maps,i+1);
                mexErrMsgTxt("File too small.");
            }
            for(j=0; j<maps[i].dim[2]; j++)
            {
                maps[i].scale[j]  = pr[0];
                maps[i].offset[j] = pr[1];
                maps[i].data[j]   = maps[i].addr+off+j*maps[i].dim[0]*maps[i].dim[1]*(dsize/8);
            }
        }
        else
        {
            for(j=0; j<maps[i].dim[2]; j++)
            {
                maps[i].scale[j]  = pr[0+j*3];
                maps[i].offset[j] = pr[1+j*3];
                off = (mwSize)fabs(pr[2+j*3]);
                maps[i].data[j]   = maps[i].addr+off;
                if (off+maps[i].dim[0]*maps[i].dim[1]*(dsize/8) > maps[i].len)
                {
                    free_maps(maps,i+1);
                    mexErrMsgTxt("File too small.");
                }
            }
        }
    }
    else
    {
        if (maps[i].dim[0]*maps[i].dim[1]*maps[i].dim[2]*(dsize/8) > maps[i].len)
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("File too small.");
        }
        for(j=0; j<maps[i].dim[2]; j++)
        {
            maps[i].scale[j]  = 1.0;
            maps[i].offset[j] = 0.0;
            maps[i].data[j]   = maps[i].addr+j*maps[i].dim[0]*maps[i].dim[1]*(dsize/8);
        }
    }

    tmp=mxGetField(ptr,i,"mat");
    if (tmp != (mxArray *)0)
    {
        if (mxGetM(tmp) != 4 || mxGetN(tmp) != 4)
        {
            free_maps(maps,i+1);
            mexErrMsgTxt("Wrong sized mat.");
        }
        pr = mxGetPr(tmp);
        for(j=0; j<16; j++)
            maps[i].mat[j] = pr[j];
    }
    else
    {
        for(j=0; j<16; j++)
            maps[i].mat[j] = 0.0;
        for(j=0; j<4; j++)
            maps[i].mat[j + j*4] = 1.0;
    }
}
Esempio n. 8
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
/*
void mexFunction(nlhs, plhs, nrhs, prhs)
int nlhs, nrhs;
mxArray *plhs[];
const mxArray *prhs[];
*/
{
	MAPTYPE *map, *get_maps();
	int m,n, k, hold;
	double background=0.0;

	if (nrhs != 5 || nlhs > 4)
		mexErrMsgTxt("Incorrect usage.");

	map=get_maps(prhs[0], &n);
	if (n!=1)
	{
		free_maps(map, n);
		mexErrMsgTxt("Bad image handle dimensions.");
	}

	for(k=1; k<=3; k++)
		if (!mxIsNumeric(prhs[k]) || mxIsComplex(prhs[k]) ||
			mxIsSparse(prhs[k]) || !mxIsDouble(prhs[k]))
		{
			free_maps(map, 1);
			mexErrMsgTxt("Coordinates must be numeric, real, full and double.");
		}

	m = mxGetM(prhs[1]);
	n = mxGetN(prhs[1]);
	if (mxGetM(prhs[2]) != m || mxGetN(prhs[2]) != n ||
		mxGetM(prhs[3]) != m || mxGetN(prhs[3]) != n)
		mexErrMsgTxt("Coordinates must have compatible dimensions.");

	if (!mxIsNumeric(prhs[4]) || mxIsComplex(prhs[4]) ||
		mxIsSparse(prhs[4]) || !mxIsDouble(prhs[4]) ||
		(mxGetM(prhs[4])*mxGetN(prhs[4]) != 1 && mxGetM(prhs[4])*mxGetN(prhs[4]) != 2))
	{
		free_maps(map, 1);
		mexErrMsgTxt("Bad hold & background argument.");
	}

	hold = (int)(*(mxGetPr(prhs[4])));

	if (abs(hold) > 127)
	{
		free_maps(map, 1);
		mexErrMsgTxt("Bad hold value.");
	}

	if (mxGetM(prhs[4])*mxGetN(prhs[4]) > 1)
		background = mxGetPr(prhs[4])[1];

	if (nlhs<=1)
	{
		plhs[0] = mxCreateDoubleMatrix(m,n,mxREAL);

		resample(m*n, map, mxGetPr(plhs[0]),
			mxGetPr(prhs[1]),mxGetPr(prhs[2]),mxGetPr(prhs[3]),
			hold, background);
	}
	else
	{
		if (hold==0)
		{
			free_maps(map, 1);
			mexErrMsgTxt("This wont work for nearest neighbour resampling.");
		}
		plhs[0] = mxCreateDoubleMatrix(m,n,mxREAL);
		plhs[1] = mxCreateDoubleMatrix(m,n,mxREAL);
		plhs[2] = mxCreateDoubleMatrix(m,n,mxREAL);
		plhs[3] = mxCreateDoubleMatrix(m,n,mxREAL);

		resample_d(m*n, map, mxGetPr(plhs[0]),mxGetPr(plhs[1]),mxGetPr(plhs[2]),mxGetPr(plhs[3]),
			mxGetPr(prhs[1]),mxGetPr(prhs[2]),mxGetPr(prhs[3]),
			hold, background);
	}
	free_maps(map, 1);
}
Esempio n. 9
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	int m0, m1, m2,  n0, n1, n2, nh, sh;
	MAPTYPE *vol, *get_maps();
	double *B0, *B1, *B2, mx, *f, *Alpha, *Beta, *h;

	if (nrhs == 4 && nlhs <=2)
	{
		mexFunction1(nlhs, plhs, nrhs, prhs);
		return;
	}
	if (nrhs != 6 || nlhs > 5) mexErrMsgTxt("Incorrect usage.");

	vol = get_maps(prhs[0], &n0);
	if (n0!=1)
	{
		free_maps(vol, n0);
		mexErrMsgTxt("Inappropriate usage.");
	}

	for(n0=1; n0<nrhs; n0++)
	{
		if (!mxIsNumeric(prhs[n0]) || mxIsComplex(prhs[n0]) ||
			mxIsSparse(prhs[n0]) || !mxIsDouble(prhs[n0]))
		{
			free_maps(vol, 1);
			mexErrMsgTxt("Arguments must be numeric, real, full and double.");
		}
	}

	n0 = vol->dim[0];
	n1 = vol->dim[1];
	n2 = vol->dim[2];

	m0 = mxGetN(prhs[1]);
	m1 = mxGetN(prhs[2]);
	m2 = mxGetN(prhs[3]);

	if (mxGetM(prhs[1])!=n0 || mxGetM(prhs[2])!=n1 || mxGetM(prhs[3])!=n2
		|| mxGetM(prhs[4])*mxGetN(prhs[4]) != m0*m1*m2
		|| mxGetM(prhs[5])*mxGetN(prhs[5])!=2)
	{
		free_maps(vol, 1);
		mexErrMsgTxt("Inappropriate matrix dimensions.");
	}

	if (m0>MAXB || m1>MAXB || m2>MAXB)
	{
		free_maps(vol, 1);
		mexErrMsgTxt("Too many basis functions.");
	}

	B0 = mxGetPr(prhs[1]);
	B1 = mxGetPr(prhs[2]);
	B2 = mxGetPr(prhs[3]);
	f  = mxGetPr(prhs[4]);
	mx = mxGetPr(prhs[5])[0];
	nh = floor(mxGetPr(prhs[5])[1]);
	if (nh<1 || nh > 10240)
	{
		free_maps(vol, 1);
		mexErrMsgTxt("Inappropriate number of bins in histogram.");
	}

	plhs[0] = mxCreateDoubleMatrix(m0*m1*m2,m0*m1*m2, mxREAL);
	plhs[1] = mxCreateDoubleMatrix(m0*m1*m2,1, mxREAL);
	plhs[2] = mxCreateDoubleMatrix(1,1, mxREAL);
	plhs[3] = mxCreateDoubleMatrix(nh,1, mxREAL);
	plhs[4] = mxCreateDoubleMatrix(1,1, mxREAL);

	/* Initialised to zero */
	Alpha   = mxGetPr(plhs[0]);
	Beta    = mxGetPr(plhs[1]);

	h = mxGetPr(plhs[3]);

	mxGetPr(plhs[2])[0] = iteration(m0,m1,m2, n0,n1,n2, Alpha,Beta, vol, B0,B1,B2,f,mx, nh,h, &sh);
	mxGetPr(plhs[4])[0] = (double)sh;
	free_maps(vol, 1);
}
Esempio n. 10
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	MAPTYPE *map, *get_maps();
	int m,n, k, hold, status;
	double *mat, *ptr, *img, background=0.0;

	if (nrhs != 4 || nlhs > 1)
	{
		mexErrMsgTxt("Incorrect usage.");
	}

	map = get_maps(prhs[0], &n);
	if (n!=1)
	{
		free_maps(map, n);
		mexErrMsgTxt("Bad image handle dimensions.");
	}

	for(k=1; k<=3; k++)
	{
		if (!mxIsNumeric(prhs[k]) || mxIsComplex(prhs[k]) ||
			mxIsSparse(prhs[k]) || !mxIsDouble(prhs[k]))
		{
			free_maps(map, 1);
			mexErrMsgTxt("Arguments must be numeric, real, full and double.");
		}
	}

	/* get transformation matrix */
	if (mxGetM(prhs[1]) != 4 && mxGetN(prhs[1]) != 4)
	{
		free_maps(map, 1);
		mexErrMsgTxt("Transformation matrix must be 4 x 4.");
	}
	mat = mxGetPr(prhs[1]);

	/* get output dimensions */
	if (mxGetM(prhs[2]) * mxGetN(prhs[2]) != 2)
	{
		free_maps(map, 1);
		mexErrMsgTxt("Output dimensions must have two elements.");
	}
	ptr = mxGetPr(prhs[2]);
	m = abs((int)ptr[0]);
	n = abs((int)ptr[1]);
	plhs[0] = mxCreateDoubleMatrix(m,n,mxREAL);
	img = mxGetPr(plhs[0]);

	if (mxGetM(prhs[3])*mxGetN(prhs[3]) != 1 && mxGetM(prhs[3])*mxGetN(prhs[3]) != 2)
	{
		free_maps(map, 1);
		mexErrMsgTxt("Hold & background argument must have one or two element(s).");
	}
	hold = (int)(*(mxGetPr(prhs[3])));
	if (abs(hold) > 127)
	{
		free_maps(map, 1);
		mexErrMsgTxt("Bad hold value.");
	}

	if (mxGetM(prhs[3])*mxGetN(prhs[3]) > 1)
		background = mxGetPr(prhs[3])[1];

	status = slice(mat, img, m, n, map, hold, background);
	free_maps(map, 1);
	if (status)
	{
		mexErrMsgTxt("Slicing failed.");
	}
}
Esempio n. 11
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
    MAPTYPE *map, *get_maps();
    mwSize m,n,k;
    mwIndex i;
    int nn, E[3], F[3], P, C;
    double *R, r[3], *img;
    int *curr, *prev, *tmpp;

    if (nrhs != 2 || nlhs > 1)
    {
        mexErrMsgTxt("Incorrect usage.");
    }

    map = get_maps(prhs[0], &nn);
    if (nn!=1)
    {
        free_maps(map, nn);
        mexErrMsgTxt("Bad image handle dimensions.");
    }

    if (!mxIsNumeric(prhs[1]) || mxIsComplex(prhs[1]) || !mxIsDouble(prhs[1]))
    {
        free_maps(map, 1);
        mexErrMsgTxt("Second argument must be numeric, real, full and double.");
    }

    if (mxGetM(prhs[1])*mxGetN(prhs[1]) != 3)
    {
        free_maps(map, nn);
        mexErrMsgTxt("Second argument must contain three elements.");
    }

    r[0] = 1.0/mxGetPr(prhs[1])[0];
    r[1] = 1.0/mxGetPr(prhs[1])[1];
    r[2] = 1.0/mxGetPr(prhs[1])[2];

    plhs[0] = mxCreateDoubleMatrix(4,1,mxREAL);
    R       = mxGetPr(plhs[0]);

    m = map->dim[0];
    n = map->dim[1];
    k = map->dim[2];

    curr = (int *)mxCalloc((m+1)*(n+1),sizeof(int)); /* current plane */
    prev = (int *)mxCalloc((m+1)*(n+1),sizeof(int)); /* previous plane */
    img  = (double *)mxCalloc((m+1)*(n+1),sizeof(double));

    P = C = E[0] = E[1] = E[2] = F[0] = F[1] = F[2] = 0;
    for(i=0; i<k; i++)
    {
        int i1, j1;
        static double mat[16] = {
            1.0, 0.0, 0.0, 0.0,
            0.0, 1.0, 0.0, 0.0,
            0.0, 0.0, 1.0, 0.0,
            0.0, 0.0, 0.0, 1.0};
        mat[14] = i+1.0;
        slice(mat, img, m, n, map, 0, 0);
        for(i1=0;i1<m; i1++)
            for(j1=0; j1<n; j1++)
                if (mxIsFinite(img[i1+m*j1]) && img[i1+m*j1])
                    curr[i1+1+(m+1)*(j1+1)] = 1;
                else
                    curr[i1+1+(m+1)*(j1+1)] = 0;

        /* count edges, faces etc */
        resel_fun(curr,prev,m+1,n+1, &P, E, F, &C);

        /* make current plane previous */
        tmpp = prev; prev = curr; curr = tmpp;
    }

    (void)mxFree((char *)curr);
    (void)mxFree((char *)prev);
    (void)mxFree((char *)img);
    free_maps(map, 1);

    R[0] = P - (E[0]+E[1]+E[2])+(F[0]+F[1]+F[2])-C;
    R[1] = (E[0]-F[0]-F[1]+C)*r[0] + (E[1]-F[0]-F[2]+C)*r[1] + (E[2]-F[1]-F[2]+C)*r[2];
    R[2] = (F[0]-C)*r[0]*r[1] + (F[1]-C)*r[0]*r[2] + (F[2]-C)*r[1]*r[2];
    R[3] = C*r[0]*r[1]*r[2];
}
Esempio n. 12
0
/* Performs the core dump */
int do_coredump(int pid, char *core_file)
{
	int ret;

	/* Initialise members of core process */
	init_core();

	/* Getting thread information and seizing them */
	ret = seize_threads(pid);
	if (ret)
		goto cleanup;

	/* Wait for threads to stop */
	ret = wait_for_threads_to_stop();
	if (ret)
		goto cleanup;

	/* Get VMAS */
	ret = get_vmas(pid, &cp);
	if (ret)
		goto cleanup;

	/* Compat Support */
	cp.elf_class = ret = get_elf_class(pid, &cp);
	if (ret == -1)
		goto cleanup;

	/* Initialise core file name */
	cp.corefile = core_file;

	/* Do elf_dump */
	if (cp.elf_class == ELFCLASS32)
		ret = do_elf32_coredump(pid, &cp);
	else
		ret = do_elf64_coredump(pid, &cp);
	if (ret)
		goto cleanup;

cleanup:

	/* Release the threads */
	release_threads();

	if (cp.t_id)
		free(cp.t_id);

	if (cp.vmas)
		free_maps(cp.vmas);

	if (cp.elf_hdr)
		free(cp.elf_hdr);

	if (cp.notes)
		free_notes(cp.notes);

	if (cp.phdrs)
		free(cp.phdrs);

	if (cp.phdrs_count)
		free(cp.shdrs);

	errno = status;

	return ret;
}